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Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 418 · 40 questions
TalentJR

Engineer's tip (Limits and goals): Constraint = a limit on money, materials, time or size. Criterion = a goal: what the design must do. Check both with numbers: money left ÷ price for how many you can buy; result ≥ goal for “meets it”.

NameDateTime takenScore ___ / 40
  1. 1.True or false: “be under 30 cm tall” is a criterion (a goal). (a) False (b) True
  2. 2.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
  3. 3.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) only if it is red (b) no, it breaks a limit (c) yes, it works (d) yes, always
  4. 4.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
  5. 5.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
  6. 6.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
  7. 7.🔍 Which is the odd one out? (a) be under 30 cm tall (b) finish in 40 minutes (c) use at most 20 straws (d) float for 1 minute
  8. 8.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1100 g. Does it meet the criterion? (a) No (b) Yes
  9. 9.🔍 Which is the odd one out? (a) hold up 500 g (b) stand in a fan breeze (c) carry 10 coins (d) spend at most ₹100
  10. 10.📋 Your team’s budget is ₹39. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
  11. 11.📋 Your team’s budget is ₹43. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  12. 12.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
  13. 13.📋 Your team’s budget is ₹35. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  14. 14.📋 Your team’s budget is ₹41. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  15. 15.True or false: “use at most 20 straws” is a constraint (a limit). (a) True (b) False
  16. 16.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 36 cm tall. Is it within the constraint? (a) No (b) Yes
  17. 17.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
  18. 18.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 650 g. Does it meet the criterion? (a) Yes (b) No
  19. 19.True or false: “finish in 40 minutes” is a criterion (a goal). (a) True (b) False
  20. 20.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 102 cm tall. Is it within the constraint? (a) No (b) Yes
  21. 21.True or false: “be under 30 cm tall” is a constraint (a limit). (a) False (b) True
  22. 22.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
  23. 23.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 30 cm tall. Is it within the constraint? (a) Yes (b) No
  24. 24.📋 A constraint is … (a) a final test (b) a goal for success (c) a kind of glue (d) a limit you must keep to
  25. 25.True or false: “carry 10 coins” is a criterion (a goal). (a) True (b) False
  26. 26.True or false: “stand in a fan breeze” is a criterion (a goal). (a) True (b) False
  27. 27.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
  28. 28.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1150 g. Does it meet the criterion? (a) No (b) Yes
  29. 29.True or false: “roll at least 2 metres” is a criterion (a goal). (a) True (b) False
  30. 30.True or false: “fit on a school desk” is a constraint (a limit). (a) False (b) True
  31. 31.📋 Your team’s budget is ₹122. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
  32. 32.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 750 g. Does it meet the criterion? (a) Yes (b) No
  33. 33.📋 Your team’s budget is ₹64. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
  34. 34.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 74 cm tall. Is it within the constraint? (a) Yes (b) No
  35. 35.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
  36. 36.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 84 cm tall. Is it within the constraint? (a) No (b) Yes
  37. 37.🔍 Which is the odd one out? (a) use at most 20 straws (b) hold up 500 g (c) roll at least 2 metres (d) lift a cup of water
  38. 38.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
  39. 39.📋 Your team’s budget is ₹70. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
  40. 40.📋 Your team’s budget is ₹129. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?

Answer key

  1. False
  2. a criterion
  3. no, it breaks a limit
  4. a criterion
  5. a criterion
  6. a criterion
  7. float for 1 minute
  8. Yes
  9. spend at most ₹100
  10. 9
  11. 7
  12. a constraint
  13. 10
  14. 9
  15. True
  16. No
  17. True
  18. Yes
  19. False
  20. No
  21. True
  22. a criterion
  23. Yes
  24. a limit you must keep to
  25. True
  26. True
  27. False
  28. Yes
  29. True
  30. True
  31. 22
  32. No
  33. 18
  34. No
  35. a constraint
  36. No
  37. use at most 20 straws
  38. a constraint
  39. 12
  40. 23

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